''Aphelinus certus'' is a

parasitoid wasp Parasitoid wasps are a large group of hymenopteran Superfamily (zoology), superfamilies, with all but the wood wasps (Orussoidea) being in the wasp-waisted Apocrita. As parasitoids, they lay their eggs on or in the bodies of other arthropods, ...

native to Asia. It parasitizes the

soybean aphid The soybean aphid (''Aphis glycines'') is an insect Pest (organism), pest of soybean (''Glycine max'') that is exotic species, exotic to North America. The soybean aphid is native to Asia. It has been described as a common pest (organism), pest o ...

and other aphids.

North American introduction

''A. certus'' has been found in North America since 2005, and was likely introduced along with or soon after the soybean aphid. ''A. certus'' is likely to parasitize both native and introduced aphids in North America as it has a relatively wide host-range.

References

Aphelinidae Insects described in 1963 {{Chalcidoidea-stub